The title of “world’s most luxurious cruise ship” may need to be updated to “ships” as Regent Seven Seas Cruises announced today plans for an extensive, $125 million fleet-wide refurbishment program. Beginning with Seven Seas Navigator this spring, the public spaces and suites to be refurbished will feature the same elegant style and indisputable attention to detail famously featured on Seven Seas Explorer, providing guests with a consistent look-and-feel, no matter which Regent…